Update index.md

Author: ulysses4ever

index.md

@@ -51,13 +51,14 @@ For more options:
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 |ECOOP'17|**Compiling Tree Transforms to Operate on Packed Representations:** <br/> Michael Vollmer, Sarah Spall, Buddhika Chamith, Laith Sakka, Chaitanya Koparkar, Milind Kulkarni, Sam Tobin-Hochstadt, Ryan Newton [[PDF][ecoop17]]|
-|PLDI'19|**LoCal: A Language for Programs Operating on Serialized Data:** <br/> Michael Vollmer, Chaitanya Koparkar, Mike Rainey, Laith Sakka, Milind Kulkarni, Ryan R. Newton [[PDF][pldi19]]|
+|PLDI'19|**LoCal: A Language for Programs Operating on Serialized Data:** <br/> Michael Vollmer, Chaitanya Koparkar, Mike Rainey, Laith Sakka, Milind Kulkarni, Ryan R. Newton [[PDF][pldi19]] [[extended version][local-tr]]|
 |ICFP'21|**Efficient Tree-Traversals: Reconciling Parallelism and Dense Data Representations:** <br/> Chaitanya Koparkar, Mike Rainey, Michael Vollmer, Milind Kulkarni, Ryan R. Newton [[PDF][icfp21]]|
 |ISMM'24|**Garbage Collection for Mostly Serialized Heaps:** <br/> Chaitanya Koparkar, Vidush Singhal, Aditya Gupta, Mike Rainey, Michael Vollmer, Artem Pelenitsyn, Sam Tobin-Hochstadt, Milind Kulkarni, Ryan R. Newton [[PDF][ismm24]]|
 |ECOOP'24|**Optimizing Layout of Recursive Datatypes with Marmoset:** <br/> Vidush Singhal, Chaitanya Koparkar, Joseph Zullo, Artem Pelenitsyn, Michael Vollmer, Mike Rainey, Ryan Newton, Milind Kulkarni [[PDF][ecoop24]]|
 
 [ecoop17]: http://drops.dagstuhl.de/opus/volltexte/2017/7273/pdf/LIPIcs-ECOOP-2017-26.pdf
 [pldi19]:  http://recurial.com/pldi19main.pdf
+[local-tr]: https://legacy.cs.indiana.edu/ftp/techreports/TR741.pdf
 [icfp21]:  ./public/icfp21.pdf
 [ismm24]:  ./public/ismm24.pdf
 [ecoop24]: https://arxiv.org/pdf/2405.17590